# Two New FreeBSD-Based NAS Systems Replace Discontinued TrueNAS Core

FreeCORE and BSDnas, based on FreeBSD 15, carry forward the legacy of iXsystems' discontinued TrueNAS Core.

- **Source:** [www.theregister.com - Articles](https://brifing.si/source/2c34ea50-d341-4a10-925d-12c012a9ad10)
- **Published:** 2026-09-02
- **Original article:** <https://www.theregister.com/storage/2026/09/02/offshoots-of-cancelled-truenas-core-upgrade-to-freebsd-15/5293725>
- **On Brifing:** https://brifing.si/s/c875fe3a-4ae2-4498-848b-f91f33f4b336

## Growing Interest in FreeBSD-Based NAS Systems

FreeBSD's reputation as a stable server OS and its native ZFS integration make it ideal for storage solutions. However, Linux's popularity creates a steeper learning curve for FreeBSD. The cancellation of TrueNAS Core has prompted independent developers to fill the void with new alternatives.

## FreeCORE: The Unofficial Successor to TrueNAS Core

Released on August 27, 2026, FreeCORE 15.0-U1 continues TrueNAS Core 13.3 on a FreeBSD 15 base. The project enables direct upgrades from existing TrueNAS systems. The developer confirms this is an independent fork they've been working on since January, with 50 test builds before release.

## BSDnas: Memory-Efficient Alternative

Announced on August 19, 2026, BSDnas boots with just 2GB RAM and runs smoothly on 4GB. This contrasts with TrueNAS SCALE's 8GB minimum requirement. The project migrated TrueNAS Core 13.3 code to FreeBSD 15 after removing iXsystems dependencies.

## The Significance of ZFS Integration

FreeBSD's kernel-level ZFS implementation offers performance advantages over Linux's module-based approach. The separation between ZFS ARC and Linux Page Cache particularly affects memory-constrained systems. This technical difference remains crucial for legacy TrueNAS users with 8GB RAM.

## iXsystems' Shift to Linux and Its Impact

After discontinuing TrueNAS Core in 2024, iXsystems focused on Debian-based TrueNAS SCALE. This decision disappointed FreeBSD loyalists. While the company assured users wouldn't be stranded, community-driven alternatives quickly emerged to address the gap.

## The zVault Experiment and Lessons Learned

The 2025 zVault project successfully cleaned TrueNAS code but failed to transition to FreeBSD 14. Warnings about its stability appeared on GitHub, and the project became inactive. This experience raised questions about sustainability of independent forks.

## XigmaNAS: The Long-Standing Alternative

Forked from FreeNAS 8 in 2011, XigmaNAS (formerly NAS4Free) still serves users with its FreeBSD 14-based version updated in October 2025. It runs reliably on 6GB RAM. Meanwhile, FreeNAS's original creators developed Debian-based Open Media Vault as another option.

## The Power of Open Source Community

TrueNAS Core's discontinuation demonstrated open source's resilience. Independent developers quickly identified user needs, producing solutions like FreeCORE and BSDnas. The future of FreeBSD-based NAS systems now depends on such community initiatives' success.

## Sources covering this story

- https://www.theregister.com/storage/2026/09/02/offshoots-of-cancelled-truenas-core-upgrade-to-freebsd-15/5293725 — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
